use over the counter anti dandruff shampoo. apply once a day. follow instruction on shampoo bottle.

vegetarian diet may do wonders. reduce intake of  sugar and oil . no restaurant or junk food in diet . in case the problem persists get consultation from your doctor for accurate diagonose. Dandruff of your severity can be because of many reasons but poor diet, excessive oil and carb in diet, lack of exercise are strong reasons of this problem. Non vegetarian diet and Paneer from Halwai need to be removed from diet.